over the weekend, organizers in san francisco record crowds showed up there. thousands of people waited in long lines. nobody was able to walk away firearm with show because they have a ten day waiting period. >> reporter: they could take ammunition. there is a debate on exactly what the president can do for executive action versus what requires a congressional vote. one thing is clear, many feel washington is going to take their right away to buy some guns and access to ammunition which is non-existent around many stores around the country that sparked panic buying. a gun buying back event in new mexico, they got in a bidding war before they were turned into cops. overcrowding shut down a store in arizona. here in california, gun owners swamped a bay area gun show looking for weapons and ammunition. >> they got to get in and get what you can. >> i think obama is re-elected he is going for the gun. the buying frenzy driving prices through the roof. >> reporter: we expect the vice president a ban on assault weapons and background checks but critics argue that l